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Action Comics #399 cover
Cover: Neal Adams & Dick Giordano

Action Comics #399

Apr 1971 · DC · 0.15 USD
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In "Superman, You're Dead... Dead... Dead!", Superman is transported to the 24th century as part of a futuristic history lesson, only to confront a startling revelation about his own origins—whether he's the original Kryptonian or a duplicate created after the first Superman's demise. Written by Leo Dorfman and brought to life with Curt Swan's iconic art and Murphy Anderson's precise inks, this landmark issue explores identity and legacy in a way that redefines the Man of Steel’s place in the multiverse. The cover by Neal Adams and Dick Giordano captures the tension of a hero facing his own mortality.

Contains 2 stories
Superman, You're Dead... Dead... Dead!
15 pp · Superhero
Superman (brief origin)George WashingtonAbraham LincolnGeorge Custer

In "Superman, You're Dead... Dead... Dead!", Superman is transported to the 24th century as part of a futuristic history lesson, where he confronts the unsettling possibility that he might not be the original Kryptonian hero—but a second duplicate created after the first Superman's death. Upon returning to his own time, he realizes his journey may have taken him to a future Earth from a different dimension, leaving him to question his true origin.

Superbaby's Lost World!
7 pp · Superhero
SuperbabyJonathan KentMartha KentConnieHyde

ComicBooks.com Value

Our Model is In Beta
Raw (Fine) $12
CGC 9.8 · 11 in census $619*
CGC 9.6 · 21 in census $159
CGC 9.4 · 21 in census $106
CGC 9.2 · 11 in census $73
CGC 9.0 · 7 in census $59
CGC 8.5 · 3 in census $50*
Show all 19 grades
CGC 8.0 · 4 in census $46*
CGC 7.5 · 2 in census $40*
CGC 7.0 · 2 in census $34*
CGC 6.5 · 4 in census $31
CGC 6.0 · 1 in census $30*
CGC 5.5 none in existence
CGC 5.0 none in existence
CGC 4.5 none in existence
CGC 4.0 none in existence
CGC 3.5 none in existence
CGC 3.0 none in existence
CGC 2.5 none in existence
CGC 2.0 · 1 in census $20*
* estimate — limited direct-sales data at this grade
Our model’s value — refined as new sales data arrives · CGC census counts shown where available

More listings for this title

VG $5 VG $8.5 VG $9 VG $9.1 FN $9.49 VG $9.95 FN $9.99 VG+ $10
Related listings we couldn't confirm as this exact issue · 50 total · seen 34 days ago

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Full credits

artist Curt Swan
letterer John Costanza
cover pencils Neal Adams
cover inks Dick Giordano

Reprints

Reprinted in Stålmannen #15/1971 (1971), Supermann #11/1971 (1971), Superman from the Thirties to the Seventies #[nn] (1971), MV Comix #14/1972 (1972), Superman Annual #1 (1973), Superboy #7/1976 (1976), The Best of DC #12 (1981), Superman Taschenbuch #38 (1982), Superman from the Thirties to the Eighties #[nn] (1983), The Silver Age of Superman The Greatest Covers of Action Comics from the '50s to the '70s #[nn] (1995), DC Finest: Superman: Kryptonite Nevermore #[nn] (2025)

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